Feature: Made of high strength stainless steel for maximum durability. Precise design, wear resistance and anti-corrosion. Original standard, direct replacement for old or broken one. Exquisite workmanship, be dependable for use and convenient for assembly and disassemble. Good abrasion performance, quick ventilation, and good heat dispersion. Specification: Condition: Material: Stainless Steel Color: Silver Size: Approx 160mm/6.3in, 48mm/1.9in Package Weight: Approx 164g Fitment: For Mountain Bike Symmetrical Hole: 48mm/1.9in Package List: 1 x Brake Rotor 1 x Flange Adapter 6 x Bolt Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 2. Easy to install but professional installation is highly recommended. 3. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 4.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Good abrasion performance, quick ventilation, and good heat dispersion 2Exquisite workmanship, be dependable for use and convenient for assembly and disassemble 3Original standard, direct replacement for old or broken one 4Precise design, wear resistance and anti-corrosion 5Made of high strength stainless steel for maximum durability